Perimeter Design Engineer

Gdh Consulting, Inc.; Dallas (TX); Remote; USD 80,000 - 83,000; Full time

Benefits offered by this job

Medical insurance options

Dental, Vision, Life & Disability

Wellbeats membership

Gym membership discount

Job summary

GDH Consulting, Inc. is seeking a highly experienced Perimeter Design Engineer to advance enterprise cybersecurity through design, governance, and modernization of firewall architectures.

You will lead technical projects, ensure security standards, and collaborate across Security Architecture, Infrastructure, Cloud, and Applications. The role emphasizes scalable, secure perimeter solutions, with emphasis on DMZ, segmentation, and platform migrations.

Qualifications

• Bachelor's degree in cybersecurity, IT or related field.
• Minimum of three years in network and security engineering.
• Must be legally authorized to work in the United States.

Responsibilities

• Develop High-Level and Low-Level designs for perimeter firewall solutions.
• Define architecture standards and roadmaps for firewall deployment.
• Assess business needs, security risks, and infrastructure dependencies.
• Design firewall policies, NAT, VPNs, segmentation, and DMZs.
• Lead architecture reviews and ensure policy compliance.
• Collaborate with Security, Infrastructure, Cloud, and Applications teams.
• Support lifecycle management of security platforms and updates.
• Promote engineering standards and reference architectures.
• Evaluate new technologies and provide actionable recommendations.
• Mentor implementation and operations teams on best practices.

Skills

Security architecture

Networking expertise

Leadership & mentoring

Documentation & governance

Education

Bachelor's degree in cybersecurity/IT

Tools

Fortinet FortiGate

FortiManager

FortiAnalyzer

Check Point (Gateways)

SD-WAN

VPN

DMZ

OSPF/BGP

Python

Ansible

UNIX/Linux

Job description

Role Summary

A highly experienced Perimeter Design Engineer is sought to support enterprise cybersecurity initiatives through advanced design, engineering, and governance of perimeter security solutions. This senior-level role involves developing scalable, secure, and resilient firewall architectures and leading technical projects focused on modernization, network segmentation, and security infrastructure. The engineer will serve as a technical leader, ensuring solutions meet security standards, operational efficiency, and business objectives across the organization.

Responsibilities

• Develop comprehensive High-Level Design (HLD) and Low-Level Design (LLD) documentation for perimeter security firewall solutions.
• Define and establish architecture standards, engineering guidelines, and technical roadmaps for firewall and security platform deployment.
• Conduct technical assessments to analyze business requirements, security risks, scalability needs, and infrastructure dependencies.
• Design and configure firewall policies, NAT strategies, VPN connections, segmentation, and DMZ architectures.
• Lead architecture reviews, design validation sessions, and ensure compliance with enterprise security policies and standards.
• Collaborate with cross-functional teams including Security Architecture, Infrastructure, Cloud, and Applications to deliver integrated security solutions.
• Support the lifecycle management of security platforms, including hardware refreshes, software updates, and platform migrations.
• Develop, maintain, and promote engineering standards, reference architectures, design templates, and operational best practices.
• Evaluate emerging technologies and provide actionable recommendations for future security infrastructure enhancements.
• Mentor and guide implementation and operations teams on best practices and standard design principles.

Qualifications

• Deep expertise with Fortinet security platforms including FortiGate, FortiManager, FortiAnalyzer, SD-WAN, high availability architectures, and Security Fabric.
• Advanced knowledge of Check Point firewall technologies such as Security Gateways, SmartConsole, Management Servers, ClusterXL, VPN, NAT, and policy design.
• Strong understanding of enterprise DMZ architectures, perimeter security design principles, and TCP/IP networking fundamentals including routing protocols (OSPF, BGP).
• Experience designing secure segmentation and micro-segmentation solutions.
• Proven ability to translate complex technical requirements into scalable, operationally efficient solutions.
• Excellent communication skills for technical discussions, architecture reviews, and stakeholder engagement.
• Experience with network routing, switching, load balancing, and UNIX/Linux administration.
• Relevant certifications: Fortinet (FCP, FCSS, FCX, NSE 4-8).
• Check Point certifications (CCSA, CCSE, CCSM) are a plus.
• Knowledge of Zero Trust Architecture principles and automation tools such as Python and Ansible preferred.
• Minimum of three (3) years' experience in network and security engineering roles, with significant exposure to internetworking technologies.
• Bachelor's degree or equivalent work experience in cybersecurity, IT, or related field.
• Must be legally authorized to work in the United States.

Publishing Pay Range: $58.00 - $60.00 Hourly This is a fully remote role and can be performed from an approved location.

About GDH

At GDH, we believe in the power of people and the importance of caring. Our culture statement, "We care about people," isn't just a tagline - it's the core of everything we do. GDH is a premier staffing and talent solutions company dedicated to helping businesses find the best talent and assisting job seekers in finding their dream jobs. Who We Are: GDH, founded in 2001, has grown into a leader in providing staffing solutions across various industries. We specialize in IT across several sectors, connecting top talent with leading enterprises. As a Best of Staffing firm recognized for excellence in client, employee, talent, and women's services, we pride ourselves on our commitment to quality and service.

GDH Benefits

• Our health benefits include three medical insurance options with access to KISx Card, Zero Card, and HealthJoy concierge services.
• Other plan offerings include dental, vision, life, disability, supplemental insurance, and pet insurance plans.
• Enjoy additional perks like holiday pay, 401(k) plan, direct deposit, an employee referral program, work-life balance benefits, a Wellbeats membership, a discounted gym membership program, and more!

For more detailed information on benefits, please go to GDH's website under the tab for candidates.

GDH provides equal employment opportunities (EEO) to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, gender, sex (including pregnancy), sexual orientation, gender identity, national origin, age, disability, genetic information, marital status, ancestry, protected veteran status, military or uniformed service member status, or any other status or characteristic protected by applicable federal, state, and local laws. Applicants with disabilities who require an accommodation or assistance in applying and/or for interviewing, please contact our HR Department. Please visit our notice of collection for California applicants.